CN208853051U - A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle - Google Patents
A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle Download PDFInfo
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- CN208853051U CN208853051U CN201821022835.7U CN201821022835U CN208853051U CN 208853051 U CN208853051 U CN 208853051U CN 201821022835 U CN201821022835 U CN 201821022835U CN 208853051 U CN208853051 U CN 208853051U
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- gas
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- electrostatic atomization
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Abstract
The utility model provides a kind of spiral gas-liquid double-fluid electrostatic atomization nozzle, including fluid chamber, gas ionization chamber, needle electrode, insulated enclosure mouth, insulation tube, shell, spout, spiral arm and diversion pipe；Insulation tube is equipped in shell, enclosure interior is divided into disconnected fluid chamber and gas ionization chamber by insulation tube；Fluid chamber is connected to liquid-inlet, and gas ionization chamber is connected to gas feed；It is intracavitary that one end of needle electrode is mounted on gas ionization, gas ionization chamber upper portion insulating encapsulation process, the lower part aperture of gas ionization chamber；Spiral arm is mounted on the lower part of shell, and spiral arm is back taper, inside equipped with diversion pipe, and diversion pipe is equipped with several spouts；Diversion pipe is connected to fluid chamber.The utility model generates more tiny charged drop more evenly using electrostatic atomization, more easily with fine grained in coal-fired plant flue gas and sulfur dioxide mixing and absorption, ceramics pipe outer and insulated enclosure mouth are used simultaneously, are avoided charged electrode from directly contacting with liquid, are improved safety.
Description
Technical field
The utility model belongs to field of fluid machinery, is related to a kind of spiral gas-liquid double-fluid electrostatic atomization nozzle.
Background technique
With the rapid development of human society, the raising of living standards of the people, the sharp increase to using energy source, environment dirt
Dye problem is increasingly violent, and the sulfur dioxide and fine particle in air are the overriding concern contents of air quality.Coal-burning power plant's fortune
A large amount of sulfur dioxide can be generated when row, to remove sulfur dioxide, coal-burning power plant must be equipped with desulfurizer.Because of wet desulphurization skill
Art removal efficiency is high, and thermal power generation mostly uses greatly Wet Flue Gas Desulfurization Technique.Lime stone slurry is reacted through nozzle atomization with coal-fired flue-gas,
To achieve the purpose that desulfurization, therefore the selection of nozzle is most important to the efficient operation of desulfurizing tower.Because lime stone slurry exists
Uneven problem is dissolved, desulfurizing tower mostly uses spiral nozzle to be atomized the blocking for preventing nozzle.Droplets can reduce the table of drop
Face tension, make drop atomizing particle size more it is tiny more evenly, while charged droplet have attract fine particle characteristic, can cooperate with
Remove the fine particle in coal-fired flue-gas.
Chinese Patent Application No. CN201620957737.7, entitled " a kind of Novel spiral spray head " are by nozzle appearance
Spray tank is arranged in face, and liquid can make to spray by spraying to form spiral shape water curtain with the consistent spray tank in spiral nozzle direction
Liquid is spread along entire spiral nozzle, and spray liquid more disperses, and spraying effect is more preferable.The nozzle spray liquid by nozzle outer surface spray
Inertia force when slot sprays due to jet expansion is drenched, can't continue to spray along spray tank direction, but can be by jet expansion
Jet stream and go out, good atomizing effect cannot be formed；
Chinese Patent Application No. CN201510161434.4, entitled " a kind of electrostatic atomization nozzle " utilize rib-type runner
Rotation makes liquid circumferentially enter electrostatic atomization nozzle, and nozzle sprays cone cell liquid mist remotely to be transported.The device is using spray
The mode of mouth outlet setting induc- tion charging electrode retaining collar charges, due to jet expansion eject drop easily adhere on electrode retaining collar and
High-voltage breakdown is caused, charged effect & Safety is difficult to ensure.
Chinese Patent Application No. CN201520679009.X, entitled " a kind of wind type electrostatic spraying apparatus " are in electrostatic
Air supply device is set on mist device, by wind model charged droplets, is sprayed onto charged drop on crop and vegetation, improves spray
Fog effect.The blower forced air supply that the device is although provided with, which improves spraying distance, prevents deposition of droplets on electrode retaining collar, but blower
It is lower to provide pressure, droplet, which can flow back to be injected on electrode retaining collar, when contrary wind causes high-voltage breakdown, influences charged effect.
Utility model content
In order to avoid with overcome above-mentioned deficiency, the purpose of the utility model is to provide one kind be suitable for desulfurizing tower spray lime
The spiral gas-liquid double-fluid electrostatic atomization nozzle of stone slurries improves droplets effect & Safety, realizes preferably atomization
Effect simultaneously can efficiently remove sulfur dioxide and fine particle.
Realize the technical solution of the utility model are as follows: a kind of spiral gas-liquid double-fluid electrostatic atomization nozzle, including liquid
Chamber, gas ionization chamber, needle electrode, insulated enclosure mouth, insulation tube, shell, spout, spiral arm and diversion pipe；
Insulation tube is equipped in the shell, enclosure interior is divided into disconnected fluid chamber and gas ionization chamber by insulation tube；
The fluid chamber is connected to liquid-inlet, and the gas ionization chamber is connected to gas feed；
It is intracavitary that the needle electrode is mounted on gas ionization, gas ionization chamber upper portion insulating encapsulation process, gas ionization chamber
Lower part aperture；
The spiral arm is mounted on the lower part of shell, and the spiral arm is back taper, inside equipped with diversion pipe, the water conservancy diversion
Pipe is equipped with several spouts；Diversion pipe is connected to fluid chamber.
In above scheme, the internal diameter of the spout is injection diameter D, and the diversion pipe in the spiral arm of spray orifice position is cut
Face is square, and square side length is L, then meets 5≤L/D≤7.
In above scheme, the gas ionization top of chamber is equipped with insulated enclosure mouth.
In above scheme, the insulation tube is ceramics pipe outer.
In above scheme, the needle electrode, insulation tube and insulated enclosure mouth are coaxially distributed.
In above scheme, the needle electrode is connect with negative high voltage electrostatic generator one end, negative high voltage electrostatic generator
The other end is connect with ground.
In above scheme, the spiral arm is overlapped with shell axis.
In above scheme, the spiral arm and insulated enclosure mouth are made of the polytetrafluoroethylene (PTFE) of insulation.
Compared with prior art, the utility model has the following beneficial effects:
1. needle electrode corona discharge, which is arranged, in the utility model above spout generates a large amount of negative electrical charges, pass through charged air
It charges with droplets mixing, avoids liquid and be in direct contact with the electrode, improve the safety of operational process.
2. insulated enclosure mouth is arranged in gas ionization top of chamber in the utility model, setting ceramics pipe outer in periphery avoids needle
The negative electrical charge that shape electrode discharge generates is guided, and charged effect & Safety is improved.
3. the utility model under the disturbance of spiral arm, forms strong turbulence, negative electrical charge and spout in gas can be made to spray
Atomized drop out is more sufficiently mixed.
It is communicated 4. eight equally distributed spouts are arranged in the utility model in spiral arm with diversion pipe, realizes spray liquid
Be uniformly distributed.
5. the utility model improves the range of scatter of spray liquid under the effect of central high pressure gas, spray is further realized
Liquid is preferably mixed with coal-fired flue-gas.
6. the utility model use Charged atomization technology, atomization droplets diameter more it is small more evenly, charged droplet more has attraction
The high-efficient purification of flue gas may be implemented applied to Desulphurization for Coal-fired Power Plant tower for the characteristic of fine particle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the side diversion pipe schematic diagram of the utility model embodiment；
Fig. 3 looks up spout arrangement schematic diagram for the utility model embodiment；
In figure: 1. liquid-inlets；2. fluid chamber；3. gas ionization chamber；4. needle electrode；5. insulated enclosure mouth；6. gas
Import；7. ceramics pipe outer；8. shell；9. spout；10 spiral arms；11. diversion pipe.
Specific embodiment
Specific embodiment is described in further detail the utility model with reference to the accompanying drawing, but the guarantor of the utility model
Shield range is not limited to this.
As shown in Figure 1, a kind of spiral gas-liquid double-fluid electrostatic atomization nozzle, including fluid chamber 2, gas ionization chamber 3, needle
Shape electrode 4, insulated enclosure mouth 5, insulation tube, shell 8, spout 9, spiral arm 10 and diversion pipe 11.
It is equipped with insulation tube in the shell 8, insulation tube will be divided into disconnected fluid chamber 2 and gas ionization inside shell 8
Chamber 3；The fluid chamber 2 is connected to liquid-inlet 1, and the gas ionization chamber 3 is connected to gas feed 6.
One end of the needle electrode 4 is mounted in gas ionization chamber 3,3 upper portion insulating encapsulation process of gas ionization chamber, gas
The lower part aperture of volume ionization chamber 3.Needle electrode 4 is arranged vertically with gas feed 6.
The spiral arm 10 is mounted on the lower part of shell 8, and the spiral arm 10 is back taper, inside is equipped with diversion pipe 11,
The diversion pipe is equipped with several spouts 9；Diversion pipe 11 is connected to fluid chamber 2.The internal diameter of the spout 9 is injection diameter D, spray
11 section of diversion pipe in the spiral arm 10 of hole position is square, and square side length is L, then meets 5≤L/D≤7,
There is better atomizing effect by spout 9 convenient for fluid in diversion pipe 11.
Insulated enclosure mouth 5 is equipped at the top of the gas ionization chamber 3, the insulation tube is ceramics pipe outer 7, protects charge not
Guided and improved safety.
The needle electrode 4, insulation tube and insulated enclosure mouth 5 be coaxially distributed, in order to process and air-flow passes through
It is logical to reduce resistance.
The needle electrode 4 is connect with negative high voltage electrostatic generator one end, the other end and ground of negative high voltage electrostatic generator
Face connection.
Preferably, a length of 50mm of the needle electrode allows to be passed through lower part helical arm, needle electrode 4 and insulation tube wall
Identity distance is from 8~10mm, to guarantee the charged effect of needle electrode.
As shown in Fig. 2, the spiral arm and shell are tangent, sprayed smoothly through diversion pipe by nozzle convenient for liquid, spiral shell
Spiral arm 10 is overlapped with 8 axis of shell, convenient for the processing of product.
As shown in Figure 3, it is preferred that the diversion pipe 11 of the spiral arm 10 is evenly distributed with eight spouts 9, to meet spray
The uniform fold of liquid.
Preferably, 9 diameter of spout is 1mm, to reach preferable spray effect.
The spiral arm 10 and insulated enclosure mouth 5 are made of the polytetrafluoroethylene (PTFE) of insulation.
Working principle of the utility model is:
The course of work and Charged atomization method of the utility model are as follows: the liquid-inlet 1 is communicated with fluid chamber 2, is passed through
Lower part helical arm 10 sprays atomized drop by spout 9；The gas feed 6 is penetrated through with gas ionization chamber 3, by gas charging area
The droplet for keeping gas charged to spray with 10 lower part spout 9 of spiral arm mixes and makes droplets；Liquid passes through liquid after water pump is sent into
Body import 1 is communicated with fluid chamber 2, sprays atomized drop by spout 9 by 10 inner guiding pipe 11 of lower part helical arm.It is same with this
When, gas is penetrated through with gas ionization chamber 3 after being pressurizeed by compressor by gas feed 6, by gas ionization chamber 3 with negative high voltage
Connected 4 corona discharge of needle electrode of electrostatic generator generates a large amount of negative electrical charges, from gas ionization chamber 3 under the action of pressure difference
It is charged that the aperture of bottom enters the droplets mixing that 10 lower part of spiral arm and spout 9 eject, and forms electrostatic spray.
4 corona discharge of needle electrode is arranged above spout 9 and generates a large amount of negative electrical charges for the utility model, passes through charged air
It is charged with droplets mixing, it avoids liquid and is directly contacted with needle electrode 4, improve the safety of operational process；In gas electricity
From insulated enclosure mouth 5 is arranged at the top of chamber 3, setting ceramics pipe outer 7 in periphery avoids the negative electrical charge quilt of the electric discharge generation of needle electrode 4
It guides, improves charged effect & Safety；Under the disturbance of spiral arm 10, form strong turbulence, make negative electrical charge in gas with
The atomized drop that spout 9 sprays more is sufficiently mixed, while eight equally distributed spouts 9 and water conservancy diversion being arranged in spiral arm 10
Pipe 11 communicates, and realizes being uniformly distributed for spray liquid；The range of scatter that spray liquid is improved under the effect of central high pressure gas, into
One step realizes that spray liquid is preferably mixed with coal-fired flue-gas；Using Charged atomization technology, atomization droplets diameter more it is small more evenly, lotus
Electro-hydraulic drop more has the characteristic for attracting fine particle, and the high-efficient purification of flue gas may be implemented applied to Desulphurization for Coal-fired Power Plant tower.
The embodiment is the preferred embodiment of the utility model, but the utility model is not limited to above-mentioned embodiment party
Formula, without departing substantially from the substantive content of the utility model, those skilled in the art can be made any apparent
Improvement, replacement or modification belong to the protection scope of the utility model.
Claims (8)
1. a kind of spiral gas-liquid double-fluid electrostatic atomization nozzle, which is characterized in that including fluid chamber (2), gas ionization chamber
(3), needle electrode (4), insulated enclosure mouth (5), insulation tube, shell (8), spout (9), spiral arm (10) and diversion pipe (11)；
Insulation tube is equipped in the shell (8), insulation tube will be divided into disconnected fluid chamber (2) and gas electricity inside shell (8)
From chamber (3)；The fluid chamber (2) is connected to liquid-inlet (1), and the gas ionization chamber (3) is connected to gas feed (6)；
The needle electrode (4) is mounted in gas ionization chamber (3), gas ionization chamber (3) upper portion insulating encapsulation process, gas electricity
Lower part aperture from chamber (3)；
The spiral arm (10) is mounted on the lower part of shell (8), and the spiral arm (10) is back taper, inside equipped with diversion pipe
(11), the diversion pipe is equipped with several spouts (9)；Diversion pipe (11) is connected to fluid chamber (2).
2. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 1, which is characterized in that the spout (9)
Internal diameter be injection diameter D, diversion pipe (11) section in the spiral arm (10) of spray orifice position is square, square side
A length of L then meets 5≤L/D≤7.
3. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 1, which is characterized in that the gas ionization
Insulated enclosure mouth (5) are equipped at the top of chamber (3).
4. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 1, which is characterized in that the insulation tube is
Ceramics pipe outer (7).
5. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 1, which is characterized in that the needle electrode
(4), insulation tube and insulated enclosure mouth (5) are coaxially distributed.
6. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 1, which is characterized in that the needle electrode
(4) it is connect with negative high voltage electrostatic generator one end, the other end of negative high voltage electrostatic generator is connect with ground.
7. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 1, which is characterized in that the spiral arm
(10) it is overlapped with shell (8) axis.
8. spiral gas-liquid double-fluid electrostatic atomization nozzle according to claim 3, which is characterized in that the spiral arm
(10) it is made with insulated enclosure mouth (5) of the polytetrafluoroethylene (PTFE) of insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022835.7U CN208853051U (en) | 2018-06-29 | 2018-06-29 | A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022835.7U CN208853051U (en) | 2018-06-29 | 2018-06-29 | A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208853051U true CN208853051U (en) | 2019-05-14 |
Family
ID=66412164
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821022835.7U Expired - Fee Related CN208853051U (en) | 2018-06-29 | 2018-06-29 | A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208853051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554662A (en) * | 2018-06-29 | 2018-09-21 | 江苏大学 | A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle |
-
2018
- 2018-06-29 CN CN201821022835.7U patent/CN208853051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554662A (en) * | 2018-06-29 | 2018-09-21 | 江苏大学 | A kind of spiral gas-liquid double-fluid electrostatic atomization nozzle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20210629 |